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<meta name="description" content="Nested Panels resulting in a spreadsheet-like node."/> 
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<title>GoJS Spreadsheet</title>
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          <h1 class="mb-0 p-1 ">GoJS</h1>
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    <!-- Start of GoJS sample code -->
    
    <script src="../release/go.js"></script>
    <div class="p-4 w-full">
    <script id="code">
    function init() {
      var $ = go.GraphObject.make;  // for conciseness in defining templates

      myDiagram = $(go.Diagram, "myDiagramDiv",  // create the Diagram for the HTML DIV element
        {
          nodeSelectionAdornmentTemplate:
            $(go.Adornment, "Auto",
              $(go.Shape, { fill: null, stroke: "orange", strokeWidth: 4 }),
              $(go.Placeholder, { margin: 2 })
            )
        });

      function textStyle(big) {
        return {
          stroke: "white",
          font: (big ? "16pt sans-serif" : "10pt sans-serif"),
          alignment: go.Spot.Left
        };
      }

      function borderStyle() {
        return {
          fill: "cornflowerblue",
          stroke: "blue",
          strokeWidth: 2
        };
      }

      var aggregatedValue =
        $(go.Panel, go.Panel.Auto,
          { margin: 5 },
          $(go.Shape, borderStyle()),
          $(go.TextBlock, textStyle(),
            { margin: 10, width: 50 },
            new go.Binding("text", "")));  // assume just a number or a string

      var aggregatedListH =
        $(go.Panel, go.Panel.Auto,
          { margin: 4, stretch: go.GraphObject.Fill },
          $(go.Shape, borderStyle()),
          $(go.Panel, go.Panel.Table,
            {
              padding: 5, alignment: go.Spot.Left, stretch: go.GraphObject.Fill,
              defaultAlignment: go.Spot.Left, defaultStretch: go.GraphObject.Horizontal
            },
            $(go.TextBlock, textStyle(),
              { row: 0 },
              new go.Binding("text", "header")),
            $(go.Panel, go.Panel.Horizontal,
              { row: 1, itemTemplate: aggregatedValue },
              new go.Binding("itemArray", "values"))));

      var aggregatedListV =
        $(go.Panel, go.Panel.Auto,
          { margin: 4, stretch: go.GraphObject.Fill },
          $(go.Shape, borderStyle()),
          $(go.Panel, go.Panel.Vertical,
            { padding: 5, alignment: go.Spot.Top, defaultAlignment: go.Spot.Left },
            $(go.TextBlock, textStyle(),
              { maxSize: new go.Size(70, NaN) },
              new go.Binding("text", "header")),
            $(go.Panel, go.Panel.Vertical,
              { itemTemplate: aggregatedValue },
              new go.Binding("itemArray", "values"))));

      var checkBoxTemplate =
        $("CheckBox", "checked",
          $(go.TextBlock, textStyle(),
            new go.Binding("text", "label")
          )
        );

      myDiagram.nodeTemplate =
        $(go.Part, go.Panel.Table,
          // the title
          $(go.Panel, go.Panel.Auto,
            { row: 0, column: 0, columnSpan: 3, stretch: go.GraphObject.Fill },
            $(go.Shape, borderStyle()),
            $(go.TextBlock, textStyle(true),
              { margin: 10, alignment: go.Spot.Center },
              new go.Binding("text", "title"))),

          // insert an empty row and an empty column
          $(go.RowColumnDefinition, { row: 1, height: 8 }),
          $(go.RowColumnDefinition, { column: 1, width: 8 }),

          // the aggregated values
          $(go.Panel, go.Panel.Auto,
            { row: 2, column: 0, stretch: go.GraphObject.Fill },
            $(go.Shape, borderStyle()),
            $(go.Panel, go.Panel.Table,
              { padding: 4 },
              $(go.TextBlock, textStyle(true),
                new go.Binding("text", "aggTitle")),

              // The B Aggregated Values
              $(go.Panel, go.Panel.Auto,
                { column: 0, row: 1, stretch: go.GraphObject.Fill, margin: new go.Margin(10, 0) },
                $(go.Shape, borderStyle()),
                $(go.Panel, go.Panel.Table,
                  { padding: 4, stretch: go.GraphObject.Fill, defaultStretch: go.GraphObject.Fill },
                  $(go.TextBlock, textStyle(true),
                    { row: 0 },
                    new go.Binding("text", "aggHeaderB")),
                  $(go.Panel, go.Panel.Horizontal,
                    { row: 1 },
                    { itemTemplate: aggregatedValue },
                    new go.Binding("itemArray", "aggValuesB")))),

              // Now the C Aggregated Values
              $(go.Panel, go.Panel.Auto,
                { column: 0, row: 2, alignment: go.Spot.TopLeft },
                $(go.Shape, borderStyle()),
                $(go.Panel, go.Panel.Table,
                  { padding: 4, stretch: go.GraphObject.Fill, defaultStretch: go.GraphObject.Fill },
                  $(go.TextBlock, textStyle(true),
                    { row: 0, column: 0, columnSpan: 2 },
                    new go.Binding("text", "aggSubtitle")),
                  $(go.Panel, go.Panel.Vertical,
                    { row: 1, column: 0, alignment: go.Spot.Left },
                    { itemTemplate: aggregatedListH },
                    new go.Binding("itemArray", "aggValuesH")),
                  $(go.Panel, go.Panel.Horizontal,
                    { row: 1, column: 1, alignment: go.Spot.Left },
                    { itemTemplate: aggregatedListV },
                    new go.Binding("itemArray", "aggValuesV")))))),

          // the checkboxes
          $(go.Panel, go.Panel.Auto,
            { row: 2, column: 2, stretch: go.GraphObject.Fill },
            $(go.Shape, borderStyle()),
            $(go.Panel, go.Panel.Vertical,
              { padding: 4, alignment: go.Spot.Top, stretch: go.GraphObject.Vertical, defaultAlignment: go.Spot.Left },
              $(go.TextBlock, textStyle(true),
                new go.Binding("text", "choices")),
              $(go.Panel, go.Panel.Vertical,
                { itemTemplate: checkBoxTemplate },
                new go.Binding("itemArray", "checkBoxes"))))
        );

      myDiagram.model.nodeDataArray = [
        {
          title: "The Main Title",

          aggTitle: "A-Aggregated Values (from B and C)",

          aggHeaderB: "B-Aggregated Values (from B1-B2)",
          aggValuesB: [101.01, 102.02],

          aggSubtitle: "C-Aggregated Values (from D, E, F, and G)",
          aggValuesH: [
            {
              header: "D-Aggregated Values (from D1..Dx)",
              values: [1.01, 2.02, 3.03, 4.04]
            },
            {
              header: "E-Aggregated Values (from E1..Ex)",
              values: [11.01, 12.02]
            },
            {
              header: "F-Aggregated Values (from F1..Fx)",
              values: [21.01, 22.02, 23.03, 24.04, 25.05]
            }
          ],

          aggValuesV: [
            {
              header: "G-Aggregated Values (from G1..Gx)",
              values: [31.01, 32.02, 33.03]
            }
          ],

          choices: "Check Boxes",
          checkBoxes: [
            { label: "Checkbox 1", checked: true },
            { label: "Checkbox 2", checked: false },
            { label: "Checkbox 3", checked: true },
            { label: "Checkbox 4" }
          ]
        }
      ];
      myDiagram.model.copiesArrays = true;
      myDiagram.model.copiesArrayObjects = true;
    }
    window.addEventListener('DOMContentLoaded', init);
  </script>

<div id="sample">
  <div id="myDiagramDiv" style="border: solid 1px black; width: 100%; height:700px"></div>
  <p>An example of a single node containing nested Auto Panels surrounding Table Panels whose <a>Panel.itemArray</a> is bound to Arrays of numbers.</p>
</div>
    </div>
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    <!--  End of GoJS sample code  -->
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